Description:
Unpatterned and olive green to olive brown to grayish green; yellow venter
Length:
63.5-127 cm (23-50")
Range Map & Species Status:
Taken From: Dixon, James, J.E. Werler, and M.R.J. Forstner. Texas Snakes - A Field Guide. 2020. University of Texas Press.
Monthly Occurrences:
Coluber constrictor subsp. flaviventris Say, 1823 in GBIF Secretariat (2023). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2024-05-14.
Coluber (Masticophis) flagellum testaceus
Taken From: https://webapps.fhsu.edu/ksHerp/account.aspx?o=98&t=75
Description:
Typically light tan to yellowish brown; specimens from the Big Bend region are typically pinkish to red
Length:
121.9-167.9 cm (4-5 1/2')
Range Map & Species Status:
Taken From: Dixon, James, J.E. Werler, and M.R.J. Forstner. Texas Snakes - A Field Guide. 2020. University of Texas Press.
Monthly Occurrences:
Masticophis flagellum subsp. testaceus (Say, 1823) in GBIF Secretariat (2023). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2024-05-14.
Taken From: https://msherps.com/species-dive-10-fastest-snake-in-the-west/
Description:
Only snake in Texas that has the front half of the body a different color than the back half; typically the front third or more of the body is black with the remainder fading to a light brown or tan; some specimens can be all black
Length:
106.7-152.4 cm (3-5')
Range Map & Species Status:
Taken From: Dixon, James, J.E. Werler, and M.R.J. Forstner. Texas Snakes - A Field Guide. 2020. University of Texas Press.
Monthly Occurrences:
Masticophis flagellum subsp. testaceus (Say, 1823) in GBIF Secretariat (2023). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2024-05-14.